Flow sensor



FIG. 1 is a front top perspective view of a flow sensor according to the present invention.

FIG. 2 is a front view of the flow sensor of FIG. 1.

FIG. 3 is a back view of the flow sensor of FIG. 1.

FIG. 4 is a left side view of flow sensor of FIG. 1.

FIG. 5 is a right side view of the flow sensor of FIG. 1.

FIG. 6 is a top view of the flow sensor of FIG. 1.

FIG. 7 is a bottom view of the flow sensor of FIG. 1; and,

FIG. 8 is a front top perspective view of the flow sensor of FIG. 1 shown with spirometry connector caps and tubings in the environment.

The broken lines in FIGS. 1-8 are included for the purpose of illustrating environmental structure and form no part of the claimed design. The broken lines in FIG. 8 showing the spirometry sensor caps and tubings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a flow sensor, as shown and described. 